Expropriation of contract rights — Indirect expropriation — Investment ‘in accordance with host state law’ — Most-favoured-nation treatment (MFN) — Arbitrary (unreasonable) & discriminatory treatment standard — Fair and equitable treatment standard — Full protection and security — Legitimate expectations — Contract claims — Counterclaims — Dissenting opinion — Costs and expenses — Interest, compound/simple — Valuation
Whether an investment lost protection under a Bilateral Investment Treaty because it was made in breach of international treaties or the law of the host state. — Whether the contractual right to exclusive, good faith negotiations was capable of expropriation. — Whether the breach of a stabilization clause amounted to a breach of the Fair and Equitable Treatment standard. — Whether jurisdiction extended over counterclaims of the state Respondent.